英文别名(2-OXO-PIPERIDIN-1-YL)-ACETIC ACID ETHYL ESTER; 2-(2-keto-1-piperidyl)acetic acid ethyl ester; 2-(2-oxo-1-piperidinyl)acetic acid ethyl ester; ethyl 2-(2-oxo-1-piperidyl)acetate; ethyl 2-(2-oxopiperidin-1-yl)ethanoate; Ethyl (2-oxopiperidin-1-yl)acetate; 1-Piperidineacetic acid, 2-oxo-, ethyl ester